| Ada to Rockville (Maryland) | 4,661.06 mi (7,501.26 km) |
| Ada to Rockville Centre (New York) | 4,448.35 mi (7,158.93 km) |
| Ada to Rockwall (Texas) | 5,711.06 mi (9,191.06 km) |
| Ada to Rocky Mount (North Carolina) | 4,831.75 mi (7,775.95 km) |
| Ada to Rocky Point (New York) | 4,408.07 mi (7,094.10 km) |
| Ada to Rocky River (Ohio) | 4,733.85 mi (7,618.39 km) |
| Ada to Roessleville (New York) | 4,365.99 mi (7,026.38 km) |
| Ada to Rogers (Arkansas) | 5,447.32 mi (8,766.62 km) |
| Ada to Rogers (Minnesota) | 4,966.52 mi (7,992.84 km) |
| Ada to Rohnert Park (California) | 6,182.31 mi (9,949.46 km) |
| Ada to Rolla (Missouri) | 5,275.91 mi (8,490.76 km) |
| Ada to Rolling Meadows (Illinois) | 4,932.56 mi (7,938.18 km) |
| Ada to Roma (Texas) | 6,159.32 mi (9,912.47 km) |
| Ada to Rome (Georgia) | 5,212.27 mi (8,388.34 km) |
| Ada to Rome (New York) | 4,409.45 mi (7,096.33 km) |
